(1)
Alwathan, A.; Mohd-Setapar , S. H. .; Irwan, M. .; Thahir, R. .; Firman, F. The Characterization Of Conversion Low-Rank Coal From East Kalimantan Indonesia Through Physical - Chemical Activation To Be Adsorbent. Jour. of Adv. Res. Design 2025, 144, 113-122.